Improvement in ice-machines



' F. V. De COPPET.

Ice-Machines.

Patented Oct. 20,1874.

Witne s e s @mi UNITED STATES PATENT OFFICEc FRANCIS v. DE ooFFET, oFNEw ORLEANS, LA., ASsIGNoR oF PART oF HIS RIGHT To J. WARD GURLEY, JR.,AND R. M. DAVIS, oF SAME PLAGE.

IMPROVEMENT IN ICE-MACHINES.

Specilication forming part of Letters Patent No. 156,056, dated October20, 1874; application filed December 31, 1873.

To all whom, it may concern:

Be it known that I, FRANCIS VT. DE Gor- PET, of New Orleans, in theparish of Orleans and State of Louisiana, have invented a new and usefulImprovement in Apparatus for Making Ice, of which the following is afull, clear, and exact description, reference being had to the annexeddrawing, in which- Figure 1 is a perspective view of my appa- Vratus;and Figs. 2 and3 are detached views of the con gealer proper and the condenser thereof.

Corresponding parts in the several iigures are designated by likeletters.

This invention relates to a certain im provement in apparatus for makingice; and it consists of an inner and an outer receptacle, inclosing,respectively, apan or vessel and a congealer, with which communicates apipe7 supplied With one or more stop-cocks, and leading from a bottle orreservoir, having a dippingtube armed with a valve, and of a condenserot' peculiar construction, having a pipe leading to a tank or reservoir,and furnished with a cock and valve, and a second pipe leading to areceiving can or tank, 'substantially as hereinafter more fully setforth.

To enable others to make and use my invention, I will proceed todescribe it.

In the annexed drawings, A refers to a table or platform. B refers to astrong iron bottle filled with ammonia, and having the dipping-tube b,up through which the ammonia, under pressure, passes from the bottle.The ammonia is introduced into the bottle in the form of liquefied gas.B is a stop-cock, screwed on the bottle and supplied with thedippingtube b, and by which the bottle is opened and closed. To protectthe said cock during transportation, a cap, such as indicated in dottedlines at b', is fitted over the same, and to the neck of the bottle. Abranch tube or nozzle extends from the external or upper end of thedipping-tube b, and communicates with a tube or pipe, b, leading to ashort tube or nozzle screwed to the upper extremity or commencement ofthe coil of pipe or congealer G, and supplied with a stop-cock, b. G isa coil of pipe or the congealer proper, having the couplings Gl Gll atits induction and eduction extremities, and inclosed by a box or case,H, inclosed by a second box or case, I), the space H between which boxesbeing filled with some non-conductor of cold, as, for instance,charcoal. The congealer or coil of pipe G surrounds a pan or receptacle,d, which holds the liquid to be cooled or congealed. Eis the condenser,`jointed to the congealer G at G, so as to permit of its being adj ustedfrom a horizontal to a vertical position, as shown in Fig. 1. Thiscondenser is composed of two parts, c c', the former having its taperingpart g extending into and surrounded by the latter, which is screwed tothe former part, and which is composed internally of two truncatedcones, united together at their smaller ends, as seen in Fig. 3, and thelarger end of one of the said cones is supplied with a screw-thread, topermit of the adjustment thereto of an elbow, supplied with aglobe-valve, E', which elbow has a pipe, f, leading to and entering acan,F. Within the part c of the condenser is a spring check-valve, g, toprevent air or water entering the congealer at any time, and at the sametime allow the gas or ammonia to pass from the congealer through thecondenser, when the stop-cock b3 is open. Surrounding the part c is ajacket, c' 6, to receive cold water for cooling the solution duringabsorption in the condenser, and having the induction and eduction tubese and c. cT is aiiexible tube or pipe leading from a tank or reservoir,C, containing water, to a short tube or nozzle, E, of the condenser, forsupplying water to the latter, for absorbing the gas or ammonia enteringthe condenser. For regulating the amount of Water to be fed to thecondenser, a stop-cock, E, is attached to the nozzle or tube E". Thetank C may be graduated so as to ascertain the exact quantity of waterrequired for theabsorption of the gas fed from the bottle B through thecongealer G to the condenser E, by which the gas may acquire a certainspecific gravity in becoming aqua ammonia, after which the latter isconducted to and received by the can F. To out oft' ingress of air tothe condenseris the obj ect of the globevalve E', disposed at thedischarging end of the said condenser.

The following directions are to be observed in using my apparatus: Aquantity of pure cold water is put in the tank C, according to theindicated scale or the quantity required for the absorption af thecontents ofthe bottle B, and the Water to be con gealed or cooled pouredinto the receptacle or pan d, the lid or cover of the box D then beinglclosed. Next, let the cooling water enter the jacket of the condens' er.Then open wide the stop-cock B', about half-way the cock b, (if formaking ice, or about one-eighth if for cooling a liquid,) open wide thevalve E', also the supply-cock E. These steps having been taken, theliquefied gas or ammonia in the bottle bein g under pressure will forceitself up through the dippingtube b into the pipe b, and expandinto thecongealer G, where it will absorb heat, freeze the water in thereceptacle or pan d, and pass from the congealer into the condenser E,past or by the valve g, and through the tapering portion or the spout gof the condenser, when it will meet the water, be instantly absorbed andproduce a vacuum, after which it will become cool and be driven into thereceivingcan F, where it is saved as aqua ammonia. The time consumed inmaking ice is about fteen minutes; that in cooling a liquid, about fiveminutes. After the desired endhas been accomplished, the cocks andvalves are then closed, and the bottle and the can F disconnected fromthe apparatus.

I am aware that ainmoniacal gas liquefied by means of mechanicalcompression has been used for generating artificial cold.

Having thus described my invention, what I claim, and desire to secureby Letters Patent is-4 l The receptacles D H, and vessel or pan d,congealer or coil of pipe G, cock b, tube or pipe b", cock B',dippingtube b, and bottle or reservoir B, all combined substanti ally asand for the purpose set forth.

2. The combination of the condenser E, constructed as shown anddescribed, the congealer Gr, pipe e, tank U, cock E3, valve E', pipe f,and can' F, substantially as and for the purpose set forth. f

3. The condenser E e e', having the part e, which is formed with a pipe,g', extending into the part e', and supplied with the springcheckvalveg, and having the part e formed of two frustrums of a cone7 andsurrounded by the jacket 6 6, substantially as and for the purpose setforth.

In testimony whereof Ihave hereunto signed my name this 31st day ofOctober, 1873, in the presence of two subscribing witnesses.

` FRANCIS VT. DE COPPET.

Witnesses:

WM. C. WHITE, S. R. J AMEs.

